X501 AP-Stats Chap 1 & 3 Study Guide
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What are the reasons to study statistics
The major branches of statistics are
Methods of inferential statistics are
Primary use of descriptive statistics is
The population of interest is
What graphical methods cannot be used on a categorical data set?
What scales cannot be used on the vertical axis of a histogram?
What vertical scales should be used for a histogram when class intervals are not the same width?
Use the following frequency table to determine the proportion of values less than 60.
If in a sample of n = ??, the frequency of a histogram class interval of width ? is ??, then the density of this class interval is:
The formula for computing the density associated with a class interval of a histogram is:
A histogram that is positively skewed:
A normal curve is:
A data value is called an outlier if it is:
A histogram is said to be positively skewed when:
Which of the following vertical scales should be used for a histogram when sample sizes are not the same?
Be able to Construct a bar chart to display a table of data & be able to Construct a relative frequency distribution (table)
representing a set of data
From a cumulative relative frequency graph be able to approximate percentages & proportions
From a set of bivariate data be able to display these data using a comparative (back-to-back) stemplot & compare the
differences and similarities regarding the two samples.